c - Print the environment variables using environ

Question

How to print the environment variables in a C program using "environ".

extern char **environ

Answer 1

#include <unistd.h>
#include <stdio.h>

extern char **environ;
//...

int i = 0;
while(environ[i]) {
  printf("%s
", environ[i++]); // prints in form of "variable=value"
}